Frequency counter frontend case
Case for device which forms TTL-compatible square output for the frequency counter input from weak signals.
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updated
January 10, 2026
Description
PDFCase for device which forms TTL-compatible square output for the frequency counter input from weak signals.
Assembly notes:
BNC-J connectors
3mm led
5.5x2.1mm DC power connector
Model origin
The author marked this model as their own original creation.
